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Hennessey Performance Engineering is a tuning company that needs no introduction. HPE had plans to tune the 2014 Corvette Stingray all the way up to 1000 horsepower before it was even released to the public and were some of the first people to run a quarter mile in the new ‘Vette. Since then, they’ve been hard at work finding ways to bump the power up from the LT1’s stock output of 450 horsepower and 450 lb-ft of torque.

While HPE might not be at the 1000 horsepower mark just yet, their naturally aspirated HPE600 upgrade is a nice start. The upgrade, according to their website, bumps power up to 603 horsepower and 535 lb-ft of torque courtesy of high flow cylinder heads, HPE camshaft, and HPE’s own engine management calibration. We wonder if the 2015 Corvette Z06 can eclipse those numbers.

Former assistant chief engineer for the Corvette, John Heinricy, is no stranger to fast vehicles. He recently took a trip out to see the HPE team where he was able to give the HPE600 Corvette a proper thrashing around the Lonestar Motorsports Park. Check it out in the video below, you’ll want to turn your speakers up for this one.